Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
khong hoc » thong hoc, khong thuoc, khong chuc
khung hoc » chung hoc, nhung hoc, thuong hoc
sach hoc » cach hoc, sach hoi, mach hoc
van giao » nang giao, toan giao, dan gian
giao dan » gian dan, giao dat, giao dien
te sach » toc sach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach hoc tap, nghien cuu mot hoc nhanh ((khong hoc) or (khung hoc)) xa hoi van giao dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cuu mot hoc nhanh ((khong hoc) OR (khung hoc)) xa hoi van giao dan.
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mot hoc nhanh ((khong hoc) or (khung hoc)) xa hoi van giao dan*.